Rpms fluctuate when braking. | Ford Explorer Forums - Serious Explorations

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Rpms fluctuate when braking.

wildklymr

New Member
Joined
April 12, 2013
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City, State
allentown, pa
Year, Model & Trim Level
2004 Explorer
Hi, I've been having an issue lately with what I think is low idle and rpm fluctuations when braking.

2004 explorer 4.0 automatic.

It started one day when I was going to back into a parking spot and the engine stalled, and I got a CEL.

The code that popped up was p0104 Maf sensor intermittant whatever.

After letting the car sit for a few hours It started just fine.

Then I notices the revs were lower in idle than they used to be. Idle is now 575 to 650 rpm and should be around 725 no?

I cleaned the MAF sensor and even rewired it to where it trunks off.
I also cleaned the throttle body. No IAC to clean.

Is there anything else I can try or should look for?
 






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